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20130416
20130424
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Search Results 0 to 3 of about 4
LINKTV
Apr 24, 2013 8:00am PDT
balls, such that the ball will slow down, would you throw the ball into an environment of heavy balls or light balls? heavy balls. and you want the thing to slow down. let me ask you this. if i take a ball and i throw it against a brick wall-- [makes sounds] --when it bounces off, will it bounce off a lot slower or about the same? about the same. about the same. if i take a golf ball and i throw it against a bowling ball, is that bowling ball gonna slow the golf ball down? no, it's not. so what you do is you take the golf ball and you throw into an arena of ping-pong balls. and if you do that, it will give what? give the energy to ping-pong ball and it itself will slow down. and so what do you do is you take these things and you bounce them off atoms like the size of carbon. did you ever hear about the heavy water? you bounce them off light atoms or molecules and these things will slow down, so they're moderated and will cause the reaction of more of this fission. you call--nuclear fission, gang, breaking apart, nuclear fission, and you will fission more atoms. anyway, this is something
LINKTV
Apr 18, 2013 3:00pm PDT
: obviously, environment also contributes to function and disease but knowing what genes are inherited by any organism is essential to a full understanding of how they operate and how they misfunction when disease occurs. only five to ten percent of all cancers are thought to be inherited. for instance, women with mothers or sisters who have breast cancer are at increased risk for developing the disease. i'd get it very early, and be very treatable... i wasn't surprised because both my mother and my grandmother had-- my maternal grandmother, had had the same kind of late onset. and i had helped them both through their bouts with it. and so i knew when i saw the irregularity in my breast line what it was, and just moved forward from there. the ucla breast center, a unit of the jonsson cancer center, specializes in treating and counseling women at high risk for breast cancer. experts from a variety of fields work with patients. a nurse practitioner takes the patient's history... a nutritionist with a special interest in breast cancer talks about the role good nutrition plays in combatting the d
LINKTV
Apr 23, 2013 8:00am PDT
number 83. every atomic nucleus above atomic number 83 is unstable. and in that environment, you have then the ejection of alpha, beta and gamma particles. so it's almost simple geometry. right now, this particle we'd call an alpha particle. this is a helium nucleus. and i'll write that helium nucleus like this. and i'll put a two down here and a four here. and this nomenclature, i hope you're familiar with. this is simply the atomic number. it tells you it's atomic number two in the periodic table of substances, yeah? it's got two positive charges. and the four refers to the atomic mass unit. and that's the number of nucleons altogether. i call this, by the way, nucleons. i can call you a people, a person, but a person can be a male or female. nucleon can be a proton or neutron. see what i'm saying? but there's four nucleons altogether, so it has a mass of four and atomic number two. so that would be the configuration. if i put another proton in there, then it would now be-- does anyone know? it would be the element lithium because now it would have three and up here would be fi
LINKTV
Apr 22, 2013 8:00am PDT
visits, is to meet and talk to the family in their own environment. i feel that when we come back from a home visit, which is usually done in the beginning of the year for the first time, i'm able to understand the parent and the child better. hendrick: many of us, especially those who work with infants, are the child's and the parents' first real contact with the outside world. this presents us with a unique opportunity for becoming closely involved and attached to our infants and family members. hi. hi. but how do we form a bond with our children without becoming overly attached? where do we begin? we can start by making sure the lines of communication between ourselves and the family members are wide open. he has not eaten this morning. he was a good little boy, even though his sister woke him up. sissy wake you up? yes, she did. did sissy wake you up this morning? he's probably hungry. are you hungry? hendrick: one way is by looking for opportunities to find out what's happening at home. families are under a great deal of stress these days for any number of reasons. they might regret
Search Results 0 to 3 of about 4